Remotely controlled luminous exhibitor



A. BOSCHE June 20, 1939.

REMOTELY CONTROLLED LUMINOUS EXHIBITOR Filed Sept. 22, 1937 *z iiiiiiz-iii Patented June 20, 1939 I UNITED STATES PATENT OFFlCE REMOTELY CONTROLLED LUMINOUS EXHIBITOR Andre Bosch, Paris, France Application September 22, 1937, Serial No. 165,188 In France September 24, 1936 6 Claims. (01. 40-28) The present invention relates to that type of another plate has holes in common with those of advertising device, sign, or changeable exhibitor the other movable plates and is covered with colin which a plurality of relatively movable plates ored cellulosic material. The eighth plate (movare arranged in pack form and cooperate with able plate 9) is a closing plate which is movable other stationary plates and a luminous source to with each of the other movable plates. The plate 6 come accidentally broken.

give selected indications according to the posi- 8 is a fixed plate. tion of the movable plates with respect to one Each of the seven movable plates 1 is indianother and to the stationary plates. vidually controlled by an electromagnet Ill of the Primarily the invention has for its object to solenoid type, the several magnets being mounted 10 provide electromagnetic means controllable from in the upper end of the chamber 2 and each 10 a remote point by any suitable controller or sehas a core-armature ll having a pin [2 which lector, for shifting the movable plates in a direcpasses through a slot M in the plate 9 and into tion against gravity and holding them in the a hole H5 in its respective plate I. At the bottom raised position should the magnet circuits beof the chamber 2 is a support l5 on which the plates '1, 8 and 9 normally rest. Light springs l8 1 Again it is an object to provide means, when on the core-armatures ll between magnets ill the lifting magnets are de-energized normally, and pins l2 may be used to augment gravity in for releasing the plate holding means to permit returning lifted plates to their rest positions on the movable plates to assume their normal or support It.

rest positions under the influence of gravity Mounted below the support l5 is a solenoidal 0 (aided or not by springs as may be desired). magnet ll having two core-armatures l8l9, one Other objects will in part be obvious and in entering each end of the magnet. These corepart be pointed out hereinafter. armatures, at their outer ends, each carry an To the attainment of the aforesaid objects and angle piece 20 which has a hole 2| into which ends the invention still further resides in the projects a finger 22 secured on a shaft 23 jour- 5. novel details of construction, combination and nalled at its ends in suitable bearings in the top arrangement of parts, all of which will be first and bottom of the case l. These shafts 23 are offfully described in the following detailed descripset at 24 to press against the plate pack and hold tion, and then be particularly pointed out in the the plates against movement, the pressure being appended claims, reference being had to the acapplied by means of springs 25 on the core-arma- 30 companying drawing, in which: tures l8 and 19.

Figure 1 is a front elevation on a reduced scale The magnet IT is connected in series with each of an exhibitor embodying the invention. vmagnet I 0 so that it will be energized at the same Figure 2 is a. side elevation thereof. time a ma net 0 s energized n w ll he y Figure 3 is an enlarged view of theexhibitor, draw in the armatures l8 l9, which rock 23, 3

in front elevation, the front cover having been until 24 no longe presses the plates of the p removed. together; thus enabling the particular engaged Figure 4 is a vertical cross section on the line magnet or magnets Hi to lift its or their plates. A-A of Figure 3. Should the current fail in the circuit for any 740 Figure 5 is a detail perspective view of a portion cause, magnet l'l will instantly release core-arma- 40 of the apparatus. tures l3-l9 and springs 25. will at once rock Figure 6 is a detail elevation of one of the soleshafts 24 to their pack-holding positions and prenoids cores and its plate-lifting pin. vent the raised plate from falling.

In the drawing in which like numbers of refer- As soon, however, as the circuit is completed 5 ence designate like parts in all the figures, I repany any magnet l0 becomes energized magnet resents a box having a chamber 2, and an open- I! will again pull in the core-armatures l8l9 ing in its back that is covered by a ground glass and release any plates whose magnets l0 are not 3. The box also has a cover 4, having an openenergized and those plates will return to their ing 5 covered by a glass 6. Within the chamber normal rest positions, leaving only the plates 2 is a set of plates 1, 8 and 9. whose magnets ill have been energized, lifted to 50 In the preferred embodiment of the invention their indicating positions. illustrated in the accompanying drawing there In order to conserve space the magnets ID are are seven movable plates 1, five of which are arranged in two rows and staggered. perforated and bearing two figures or signs, one a Any suitable selector switch may be used to selecting plate with diagonal perforations, and close the magnet circuits. I prefer to use one of 55 the known selector switches which utilizes a comb-relay actuated through a suitable button key-board. Since, however, the selector switch per se is no part of the present invention illustration and further description thereof is believed to be unnecessary.

Ihe arrangement of the apertures in the several plates may be conventional and will of course depend on the specific use to which the apparatus 'will 'be put. When a light is placed behind the box the desired number, letter or symbol will be visible through the front plate 6.

From the foregoing description taken in connection with the accompanying drawing "Lit is thought the construction, operation and advantages of the invention will clearly appear to those skilled in the art.

What I claim is:

1. In apparatus of the class described, a case having a chamber and an opening with a ground glass closure; a cover also having an opening with a glass cover, a pack of movable and perforated plates in said chamber, a support at the bottom of said chamber on which said plates rest, a set of solenoidal magnets mounted in the case above the plates, there being one solenoid for each plate, said solenoids having core-armatures with lift pins connected to their respective plates, means to hold the lifted plates in the pack against falling when their magnets become accidentally de-energized.

2. In apparatus of the class described, a case having a chamber and an opening with a ground glass closure; 2. cover also having an opening with a glass cover,'a pack of movable and perforated plates in said chamber, a support at thebottom of said chamber on which said plates rest, a set of solenoidal magnets mounted in the case above the plates, there being one solenoid for each plate, said solenoids having core-armatures with lift pins connected to their respective plates, means to hold the lifted plates in the pack against falling when their magnets become accidentally deenergized, said last named means comprising elements pressing the plates of the pack together and an electro-magnet means for releasing the pressing elements while a plate lifting magnet is energized.

3. In apparatus of the class described, a case having a chamber and an opening with a ground glass closure; a cover also having an opening with a glass cover, a pack of movable and perforated plates in said chamber, a support at the bottom of said chamber on which said plates rest, a set of solenoidal magnets mounted in the case above the plates, there being one solenoid for each plate, said solenoids having core-armatures with lift pins connected to their respective plates, means to hold the lifted plates in the pack against falling when their magnets become accidentally de-energized, said last named means comprising two rock shafts at the sides of the box chamber and having off-sets to engage the front plate of the pack, spring means to cause said off-sets to compress the pack, and a solenoid magnet with two core-armatures one for each rock shaft for .the plates, there being one solenoid for each plate, said solenoids having core-armatures with lift pins connected to their respective plates, means to hold the lifted plates in the pack against falling when their magnets become accidentally de-energized, and another perforated plate in the pack having slots through which the several lift pins pass so that any plate lifting magnet when energized will effect the lifting of said another perforated plate as well as its own plate.

5. In apparatus of the class described, a case having a chamber and an opening with a ground glass closure; a cover also having an opening with a glass cover, a pack of movable and perforated plates in said chamber, a support at the bottom of said chamber on which said plates rest, a set of solenoidal magnets mounted in the'case above the plates, there being one solenoid for each plate, said solenoids having core-armatures with lift pins connected. to their respective plates, means to hold the lifted plates in the pack against falling when their magnets become accidentally de-energized, said last named means comprising elements pressing the plates of the pack together and an electro-magnet means for releasing the pressing elements while a plate lifting magnet is energized, another perforated plate in the pack having slots through which the several lift pins pass so that any plate lifting magnet when energized will effect the lifting of said another perforated plate as well as its own plate.

6. In apparatus of the class described, a case having a chamber and an opening with a ground glass closure; a cover also having an opening with a glass cover, a pack of movable and perforated plates in said chamber, a support at the bottom of said chamber on which said plates rest, a set of solenoidal magnets mounted in the case above the plates, there being one solenoid for each plate, said solenoids having core-armatures with lift pins connected to their respective plates, means to hold the lifted plates in the pack against falling when their magnets become accidentally de-energized, said last named means comprising two rock shafts at the sides of the box chamber and having off-sets to engage the front plate of the pack, spring means to cause said off-sets to compress the pack, and a solenoid magnet with two core-armatures one for each rock shaft for rocking the same when said last named solenoid magnet is energized, and another perforated plate in the pack having slots through which the several lift pins pass so that any plate lifting magnet when energized will effect the lifting of said another perforated plate as well as its own plate.

ANDRE BoscHfi 

